Installing The Power-Button Board - Dell OptiPlex 5480 All-in-One Service Manual

2. Remove the stand.
3. Remove the cable cover
4. Remove the back cover.
5. Remove the system-board
6. Remove the rear-I/O bracket.
7. Remove the speakers.
About this task
The following image indicates the location of the power-button board and provides a visual representation of the removal procedure.
Steps
1. Open the latch, and disconnect the power-button board cable from the connector on the system board.
2. Unroute the power-button board cable from the display-assembly base.
3. Remove the screw (M3x5) that secures the power-button board to the middle frame.
4. Lift and remove the power-button board with the cable off the middle frame.

Installing the power-button board

Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following image indicates the location of the power-button board and provides a visual representation of the installation procedure.
(optional).
shield.
Removing and installing components 71